fix reduce_vars on conditionals (#1822)

2017-04-18 01:44:23 +08:00
parent 6d5f341999
commit d1aa09c5c7
2 changed files with 33 additions and 0 deletions
--- a/test/compress/reduce_vars.js
+++ b/test/compress/reduce_vars.js
@@ -2240,3 +2240,26 @@ boolean_binary_assign: {
    }
    expect_stdout: "undefined"
 }
+
+cond_assign: {
+    options = {
+        evaluate: true,
+        reduce_vars: true,
+        unused: true,
+    }
+    input: {
+        !function() {
+            var a;
+            void 0 ? (a = 1) : 0;
+            console.log(a);
+        }();
+    }
+    expect: {
+        !function() {
+            var a;
+            void 0 ? (a = 1) : 0;
+            console.log(a);
+        }();
+    }
+    expect_stdout: "undefined"
+}